Users Guide

● LOM — The OS to iDRAC pass-through link between the iDRAC and the host operating system is established through
the LOM or NDC.
● USB NIC — The OS to iDRAC pass-through link between the iDRAC and the host operating system is established
through the internal USB bus.
NOTE: If you set the pass-through mode to LOM, ensure that:
● OS and iDRAC are on the same subnet
● NIC selection in Network Settings is set to LOM
4. If the server is connected in shared LOM mode, then the OS IP Address field is disabled.
NOTE: If the VLAN is enabled on the iDRAC, the LOM-Passthrough will only function in shared LOM mode with VLAN
tagging configured on the host.
NOTE:
● When Pass-through mode is set to LOM, it is not possible to launch iDRAC from host OS after cold boot.
● We have purposefully removed the LOM Pass-through using Dedicated mode feature.
5. If you select USB NIC as the pass-through configuration, enter the IP address of the USB NIC.
The default value is 169.254.1.1. It is recommended to use the default IP address. However, if this IP address conflicts with
an IP address of other interfaces of the host system or the local network, you must change it.
Do not enter 169.254.0.3 and 169.254.0.4 IPs. These IPs are reserved for the USB NIC port on the front panel when an A/A
cable is used.
NOTE:
If IPv6 is preferred, the default address is fde1:53ba:e9a0:de11::1. If needed, this address can be modified in the
idrac.OS-BMC.UsbNicULA setting. If IPv6 is not wanted on the USB-NIC, it can be disabled by changing the address to
"::"
6. Click Apply.
7. Click Test Network Configuration to check if the IP is accessible and the link is established between the iDRAC and the
host operating system.
Enabling or disabling alerts using RACADM
Use the following command:
racadm set iDRAC.IPMILan.AlertEnable <n>
n=0 — Disabled
n=1 — Enabled
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Logging in to iDRAC